1# Makefile for QEMU. 2 3ifneq ($(words $(subst :, ,$(CURDIR))), 1) 4 $(error main directory cannot contain spaces nor colons) 5endif 6 7# Always point to the root of the build tree (needs GNU make). 8BUILD_DIR=$(CURDIR) 9 10# Before including a proper config-host.mak, assume we are in the source tree 11SRC_PATH=. 12 13# Don't use implicit rules or variables 14# we have explicit rules for everything 15MAKEFLAGS += -rR 16 17SHELL = /usr/bin/env bash -o pipefail 18 19# Usage: $(call quiet-command,command and args,"NAME","args to print") 20# This will run "command and args", and either: 21# if V=1 just print the whole command and args 22# otherwise print the 'quiet' output in the format " NAME args to print" 23# NAME should be a short name of the command, 7 letters or fewer. 24# If called with only a single argument, will print nothing in quiet mode. 25quiet-command-run = $(if $(V),,$(if $2,printf " %-7s %s\n" $2 $3 && ))$1 26quiet-@ = $(if $(V),,@) 27quiet-command = $(quiet-@)$(call quiet-command-run,$1,$2,$3) 28 29UNCHECKED_GOALS := %clean TAGS cscope ctags dist \ 30 help check-help print-% \ 31 docker docker-% vm-help vm-test vm-build-% 32 33all: 34.PHONY: all clean distclean recurse-all dist msi FORCE 35 36# Don't try to regenerate Makefile or configure 37# We don't generate any of them 38Makefile: ; 39configure: ; 40 41# All following code might depend on configuration variables 42ifneq ($(wildcard config-host.mak),) 43include config-host.mak 44 45git-submodule-update: 46.git-submodule-status: git-submodule-update config-host.mak 47Makefile: .git-submodule-status 48 49.PHONY: git-submodule-update 50git-submodule-update: 51ifneq ($(GIT_SUBMODULES_ACTION),ignore) 52 $(call quiet-command, \ 53 (GIT="$(GIT)" "$(SRC_PATH)/scripts/git-submodule.sh" $(GIT_SUBMODULES_ACTION) $(GIT_SUBMODULES)), \ 54 "GIT","$(GIT_SUBMODULES)") 55endif 56 57# 0. ensure the build tree is okay 58 59# Check that we're not trying to do an out-of-tree build from 60# a tree that's been used for an in-tree build. 61ifneq ($(realpath $(SRC_PATH)),$(realpath .)) 62ifneq ($(wildcard $(SRC_PATH)/config-host.mak),) 63$(error This is an out of tree build but your source tree ($(SRC_PATH)) \ 64seems to have been used for an in-tree build. You can fix this by running \ 65"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree) 66endif 67endif 68 69# force a rerun of configure if config-host.mak is too old or corrupted 70ifeq ($(MESON),) 71.PHONY: config-host.mak 72x := $(shell rm -rf meson-private meson-info meson-logs) 73endif 74ifeq ($(NINJA),) 75.PHONY: config-host.mak 76x := $(shell rm -rf meson-private meson-info meson-logs) 77else 78export NINJA 79endif 80ifeq ($(wildcard build.ninja),) 81.PHONY: config-host.mak 82x := $(shell rm -rf meson-private meson-info meson-logs) 83endif 84ifeq ($(origin prefix),file) 85.PHONY: config-host.mak 86x := $(shell rm -rf meson-private meson-info meson-logs) 87endif 88 89# 1. ensure config-host.mak is up-to-date 90config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION 91 @echo config-host.mak is out-of-date, running configure 92 @if test -f meson-private/coredata.dat; then \ 93 ./config.status --skip-meson; \ 94 else \ 95 ./config.status && touch build.ninja.stamp; \ 96 fi 97 98# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure 99# works), but otherwise never needs to be updated 100meson-private/coredata.dat: meson.stamp 101meson.stamp: config-host.mak 102 @touch meson.stamp 103 104# 3. ensure generated build files are up-to-date 105 106ifneq ($(NINJA),) 107Makefile.ninja: build.ninja 108 $(quiet-@){ \ 109 echo 'ninja-targets = \'; \ 110 $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \ 111 echo 'build-files = \'; \ 112 $(NINJA) -t query build.ninja | sed -n '1,/^ input:/d; /^ outputs:/q; s/$$/ \\/p'; \ 113 } > $@.tmp && mv $@.tmp $@ 114-include Makefile.ninja 115 116# A separate rule is needed for Makefile dependencies to avoid -n 117build.ninja: build.ninja.stamp 118$(build-files): 119build.ninja.stamp: meson.stamp $(build-files) 120 $(NINJA) $(if $V,-v,) build.ninja && touch $@ 121endif 122 123ifneq ($(MESON),) 124Makefile.mtest: build.ninja scripts/mtest2make.py 125 $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@ 126-include Makefile.mtest 127endif 128 129# 4. Rules to bridge to other makefiles 130 131ifneq ($(NINJA),) 132MAKE.n = $(findstring n,$(firstword $(MAKEFLAGS))) 133MAKE.k = $(findstring k,$(firstword $(MAKEFLAGS))) 134MAKE.q = $(findstring q,$(firstword $(MAKEFLAGS))) 135MAKE.nq = $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq) 136NINJAFLAGS = $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \ 137 $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \ 138 139ninja-cmd-goals = $(or $(MAKECMDGOALS), all) 140ninja-cmd-goals += $(foreach t, $(.tests), $(.test.deps.$t)) 141 142makefile-targets := build.ninja ctags TAGS cscope dist clean uninstall 143# "ninja -t targets" also lists all prerequisites. If build system 144# files are marked as PHONY, however, Make will always try to execute 145# "ninja build.ninja". 146ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets)) 147.PHONY: $(ninja-targets) run-ninja 148$(ninja-targets): run-ninja 149 150# Use "| cat" to give Ninja a more "make-y" output. Use "+" to bypass the 151# --output-sync line. 152run-ninja: config-host.mak 153ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),) 154 +$(quiet-@)$(if $(MAKE.nq),@:, $(NINJA) -d keepdepfile \ 155 $(NINJAFLAGS) $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat) 156endif 157endif 158 159# Force configure to re-run if the API symbols are updated 160ifeq ($(CONFIG_PLUGIN),y) 161config-host.mak: $(SRC_PATH)/plugins/qemu-plugins.symbols 162 163.PHONY: plugins 164plugins: 165 $(call quiet-command,\ 166 $(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \ 167 "BUILD", "example plugins") 168endif # $(CONFIG_PLUGIN) 169 170else # config-host.mak does not exist 171config-host.mak: 172ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail)) 173 @echo "Please call configure before running make!" 174 @exit 1 175endif 176endif # config-host.mak does not exist 177 178SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) 179 180include $(SRC_PATH)/tests/Makefile.include 181 182all: recurse-all 183 184ROM_DIRS = $(addprefix pc-bios/, $(ROMS)) 185ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS))) 186# Only keep -O and -g cflags 187.PHONY: $(ROM_DIRS_RULES) 188$(ROM_DIRS_RULES): 189 $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),) 190 191.PHONY: recurse-all recurse-clean 192recurse-all: $(addsuffix /all, $(ROM_DIRS)) 193recurse-clean: $(addsuffix /clean, $(ROM_DIRS)) 194 195###################################################################### 196 197clean: recurse-clean 198 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || : 199 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || : 200# avoid old build problems by removing potentially incorrect old files 201 rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h 202 find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -type f \ 203 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \ 204 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \ 205 -exec rm {} + 206 rm -f TAGS cscope.* *.pod *~ */*~ 207 rm -f fsdev/*.pod scsi/*.pod 208 209VERSION = $(shell cat $(SRC_PATH)/VERSION) 210 211dist: qemu-$(VERSION).tar.bz2 212 213qemu-%.tar.bz2: 214 $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)" 215 216distclean: clean 217 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || : 218 rm -f config-host.mak config-host.h* config-poison.h 219 rm -f tests/tcg/config-*.mak 220 rm -f config-all-disas.mak config.status 221 rm -f roms/seabios/config.mak roms/vgabios/config.mak 222 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols 223 rm -f *-config-target.h *-config-devices.mak *-config-devices.h 224 rm -rf meson-private meson-logs meson-info compile_commands.json 225 rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp 226 rm -f config.log 227 rm -f linux-headers/asm 228 rm -Rf .sdk 229 230find-src-path = find "$(SRC_PATH)/" -path "$(SRC_PATH)/meson" -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \) 231 232.PHONY: ctags 233ctags: 234 $(call quiet-command, \ 235 rm -f "$(SRC_PATH)/"tags, \ 236 "CTAGS", "Remove old tags") 237 $(call quiet-command, \ 238 $(find-src-path) -exec ctags \ 239 -f "$(SRC_PATH)/"tags --append {} +, \ 240 "CTAGS", "Re-index $(SRC_PATH)") 241 242.PHONY: gtags 243gtags: 244 $(call quiet-command, \ 245 rm -f "$(SRC_PATH)/"GTAGS; \ 246 rm -f "$(SRC_PATH)/"GRTAGS; \ 247 rm -f "$(SRC_PATH)/"GPATH, \ 248 "GTAGS", "Remove old $@ files") 249 $(call quiet-command, \ 250 (cd $(SRC_PATH) && \ 251 $(find-src-path) | gtags -f -), \ 252 "GTAGS", "Re-index $(SRC_PATH)") 253 254.PHONY: TAGS 255TAGS: 256 $(call quiet-command, \ 257 rm -f "$(SRC_PATH)/"TAGS, \ 258 "TAGS", "Remove old $@") 259 $(call quiet-command, \ 260 $(find-src-path) -exec etags \ 261 -f "$(SRC_PATH)/"TAGS --append {} +, \ 262 "TAGS", "Re-index $(SRC_PATH)") 263 264.PHONY: cscope 265cscope: 266 $(call quiet-command, \ 267 rm -f "$(SRC_PATH)/"cscope.* , \ 268 "cscope", "Remove old $@ files") 269 $(call quiet-command, \ 270 ($(find-src-path) -print | sed -e 's,^\./,,' \ 271 > "$(SRC_PATH)/cscope.files"), \ 272 "cscope", "Create file list") 273 $(call quiet-command, \ 274 cscope -b -i"$(SRC_PATH)/cscope.files" \ 275 -f"$(SRC_PATH)"/cscope.out, \ 276 "cscope", "Re-index $(SRC_PATH)") 277 278# Needed by "meson install" 279export DESTDIR 280 281include $(SRC_PATH)/tests/docker/Makefile.include 282include $(SRC_PATH)/tests/vm/Makefile.include 283 284print-help-run = printf " %-30s - %s\\n" "$1" "$2" 285print-help = @$(call print-help-run,$1,$2) 286 287.PHONY: help 288help: 289 @echo 'Generic targets:' 290 $(call print-help,all,Build all) 291 $(call print-help,dir/file.o,Build specified target only) 292 $(call print-help,install,Install QEMU, documentation and tools) 293 $(call print-help,ctags/gtags/TAGS,Generate tags file for editors) 294 $(call print-help,cscope,Generate cscope index) 295 $(call print-help,sparse,Run sparse on the QEMU source) 296 @echo '' 297ifeq ($(CONFIG_PLUGIN),y) 298 @echo 'Plugin targets:' 299 $(call print-help,plugins,Build the example TCG plugins) 300 @echo '' 301endif 302 @echo 'Cleaning targets:' 303 $(call print-help,clean,Remove most generated files but keep the config) 304 $(call print-help,distclean,Remove all generated files) 305 $(call print-help,dist,Build a distributable tarball) 306 @echo '' 307 @echo 'Test targets:' 308 $(call print-help,check,Run all tests (check-help for details)) 309 $(call print-help,bench,Run all benchmarks) 310 $(call print-help,docker-help,Help about targets running tests inside containers) 311 $(call print-help,vm-help,Help about targets running tests inside VM) 312 @echo '' 313 @echo 'Documentation targets:' 314 $(call print-help,html man,Build documentation in specified format) 315 @echo '' 316ifdef CONFIG_WIN32 317 @echo 'Windows targets:' 318 $(call print-help,installer,Build NSIS-based installer for QEMU) 319 $(call print-help,msi,Build MSI-based installer for qemu-ga) 320 @echo '' 321endif 322 $(call print-help,$(MAKE) [targets],(quiet build, default)) 323 $(call print-help,$(MAKE) V=1 [targets],(verbose build)) 324 325# will delete the target of a rule if commands exit with a nonzero exit status 326.DELETE_ON_ERROR: 327 328print-%: 329 @echo '$*=$($*)' 330